Let
be the number of boxes the team brings with them. Their weight combined with the boxes can't exceed the capacity of 1400. Assuming the elevator runs fine at that exact weight, you want to find the number of boxes, each of which contributes 40 pounds. This is given by the equation
Solving for
, you have
So the team can bring *at most* 5 boxes at a time.
Answer: for example (-2,-2), (-3,-6), and (-8,-10)
Step-by-step explanation: every point in the third quadrant is both negative.
The time when the two trains reach each other is 1.25 hours
The trains are 68.75 away from the city when they reach each other.
The answer would be -84.
Here are the steps I did.
1. Simplify 4 + 8 to 12 ( -7 * 12 )
2. Now lastly simplify and u get -84.
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Step-by-step explanation: